The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 2011
Filed:
Jan. 06, 2009
Applicant:
Tomoya Hirano, Kobe, JP;
Inventor:
Tomoya Hirano, Kobe, JP;
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club head is provided with a face portion comprising: a central thick part having a thickness Tc; a crown-side thick part having a thicknesses Tr; a sole-side thick part having a thicknesses Tr; a toe-side thinner part having a thickness TT; and a heel-side thinner part having a thickness TH, wherein: (1) Tc>=Tr>TT and (2) Tr>TH are satisfied; and the centroid of the central thick part is positioned on the toe-side of an extension of a widthwise center line of the crown-side thick part towards the sole and further positioned on the heel-side of an extension of a widthwise center line of the sole-side thick part towards the crown.